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Quadratic Equations $x^2+bx+c=0$

Review of Factorizing

Expand $x\left(x-4\right)=$
$\quad$ Factorize $x^2-4x=$ $\bigl(x-$ $\bigl)$
Expand $3x\left(x+7\right)=$
$\quad$ Factorize $3x^2+21x=$ $\bigl(x+$ $\bigl)$
Expand $\left(x+1\right)\left(x+2\right)=x^2+$ $x+$
$\quad$ Factorize $x^2+3x+2=\bigl(x+$ $\bigl)\bigl(x+$ $\bigl)$
Expand $\left(x-5\right)\left(x+3\right)=x^2-$ $x-$
$\quad$ Factorize $x^2-2x-15=\bigl(x-$ $\bigl)\bigl(x+$ $\bigl)$
Expand $\left(x-4\right)\left(x-8\right)=x^2-$ $x+$
$\quad$ Factorize $x^2-12x+32=\bigl(x-$ $\bigl)\bigl(x-$ $\bigl)$
Expand $\left(x-3\right)\left(x+3\right)=x^2-$
$\quad$ Factorize $x^2-9=\bigl(x+$ $\bigl)\bigl(x-$ $\bigl)$
Expand $\left(x-6\right)^2=x^2-$ $x+$
$\quad$ Factorize $x^2-12x+36=\bigl(x-$ $\bigl)$
Expand $6\left(x+4\right)\left(x-1\right)=$
$\quad$ Factorize $6x^2+18x-24=$ $\bigl(x+$ $\bigl)\bigl(x-$ $\bigl)$
Expand $5\left(x-5\right)\left(x+5\right)=$
$\quad$ Factorize $5x^2-125=$ $\bigl(x-$ $\bigl)\bigl(x+$ $\bigl)$
Expand $3\left(x-4\right)^2=$
$\quad$ Factorize $3x^2-48=$ $\bigl(x+$ $\bigl)\bigl(x-$ $\bigl)$
Fully factorize:
$x^2+2x-24$
$-7x^2+35x$

$x^2+2x-8$
$x^2-49$

$x^2-3x-54$
$x^2-3x-40$

$-4x^2+32x$
$-4x^2+12x$

$x^2-36$
$x^2+3x-10$

$x^2+6x+9$
$x^2+16x+63$

$x^2-x-20$
$x^2-81$

$x^2-64$
$x^2+7x$

$3x^2+27x$
$x^2+8x+15$

$x^2-5x-24$
$x^2+3x-18$

$x^2-8x$
$x^2+13x+42$
Solve for $x$. If there are multiple answers, separate them with commas.
$x^2-5x+6=0 \qquad x=$
$3x^2-21x-54=0 \qquad x=$

$x^2+3x=0\qquad x=$
$7x^2-28x+28=0 \qquad x=$

$x^2-16=0 \qquad x=$
$-x^2-11x-30=0 \qquad x=$

$x^2-4x-32=0 \qquad x=$
$-6x^2+36x+42=0 \qquad x=$

$-8x^2+72=0 \qquad x=$
$x^2+7x+10=0 \qquad x=$

$x^2+2x-15=0 \qquad x=$
$-8x^2+8x+48=0 \qquad x=$

$4x^2+24x+20=0 \qquad x=$
$3x^2+3x=0 \qquad x=$

$-6x^2+48x-96=0 \qquad x=$
$4x^2-16=0 \qquad x=$

$9x^2-36x-45=0 \qquad x=$