(a+70)(a-4)=

Simple and best practice solution for (a+70)(a-4)= equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for (a+70)(a-4)= equation:


Simplifying
(a + 70)(a + -4) = 0

Reorder the terms:
(70 + a)(a + -4) = 0

Reorder the terms:
(70 + a)(-4 + a) = 0

Multiply (70 + a) * (-4 + a)
(70(-4 + a) + a(-4 + a)) = 0
((-4 * 70 + a * 70) + a(-4 + a)) = 0
((-280 + 70a) + a(-4 + a)) = 0
(-280 + 70a + (-4 * a + a * a)) = 0
(-280 + 70a + (-4a + a2)) = 0

Combine like terms: 70a + -4a = 66a
(-280 + 66a + a2) = 0

Solving
-280 + 66a + a2 = 0

Solving for variable 'a'.

Factor a trinomial.
(-70 + -1a)(4 + -1a) = 0

Subproblem 1

Set the factor '(-70 + -1a)' equal to zero and attempt to solve: Simplifying -70 + -1a = 0 Solving -70 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '70' to each side of the equation. -70 + 70 + -1a = 0 + 70 Combine like terms: -70 + 70 = 0 0 + -1a = 0 + 70 -1a = 0 + 70 Combine like terms: 0 + 70 = 70 -1a = 70 Divide each side by '-1'. a = -70 Simplifying a = -70

Subproblem 2

Set the factor '(4 + -1a)' equal to zero and attempt to solve: Simplifying 4 + -1a = 0 Solving 4 + -1a = 0 Move all terms containing a to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + -1a = 0 + -4 Combine like terms: 4 + -4 = 0 0 + -1a = 0 + -4 -1a = 0 + -4 Combine like terms: 0 + -4 = -4 -1a = -4 Divide each side by '-1'. a = 4 Simplifying a = 4

Solution

a = {-70, 4}

See similar equations:

| T-7.4=-1.0 | | 180(n-2)=1620 | | 48=8/3v | | 3n-18=6 | | .75p+24=1.19p | | x+41=-x-1 | | 8x-(2x+5)=31 | | -8v+3(v-3)=-24 | | (4x^2+5x)(15x^2-1x-2)=0 | | 6/4x=3/4 | | 8-6x=68 | | 15-3(x-1)=-12 | | w-5=[8-13] | | 4(2x-1)-5=3x-2 | | 4x^(2/3)-5=11 | | 24x=24x+16 | | -4.8(x+3)+6.5(x-1.2)= | | 24x=24x | | x+(x+50)=250 | | (7x+6u+7)(x-3)= | | -5a-13=-68 | | 3w+9=4+7w-1 | | -100=b+[-72] | | (2x+11)(2x+5)=40 | | 2.5x+3.5x=11.9x | | 3(2n+4)-3(3n+6)= | | 40+15+.25p=45+.35p | | 2(y-5)=4(y+2)-10 | | 4c-8d+cx-3dx= | | 3x^2+33x-126=0 | | -7s+4=7s-3 | | 16.8=21.6+q |

Equations solver categories